草庐IT

PHP 类 : get access to the calling instance from the called method

抱歉这个奇怪的话题,但我不知道如何用其他方式表达它。我正在尝试从调用类访问方法。就像这个例子:classnormalClass{publicfunctionsomeMethod(){[...]//thismethodshallaccessthedoSomethingmethodfromsuperClass}}classsuperClass{publicfunction__construct(){$inst=newnormalClass;$inst->someMethod();}publicfunctiondoSomething(){//thismethodshallbebeaccess

php - Symfony2 : determine if a controller is called from a development environment or from a production environment

我开发了一个Controller来使用JSON响应AJAX请求:classPeopleControllerextendsController{publicfunctionlistAction(){$request=$this->getRequest();//ifajaxonlyisgoingtobeuseduncommentnextlines//if(!$request->isXmlHttpRequest())//throw$this->createNotFoundException('Thepageisnotfound');$repository=$this->getDoctrine

javascript - 类型错误 : 'click' called on an object that does not implement interface HTMLElement

我有一些javascript将数据发送到调用php页面的函数,但是我收到一个错误,我找不到任何相关信息。postData()调用在另一个纯javascript函数的中间。但是我无法将数据提交到php页面。functionpostData(){varpostdataURL="path/to/php/page.php";$.post(postdataURL,{"formid":5,"clientid":1,"userid":1,"level":mycat,"extra":mytimer,"pid":pid},function(){});} 最佳答案

android - GoogleAuthUtil.getToken() 抛出 : RuntimeException: Can't create handler inside thread that has not called Looper. prepare()

这个GoogleAuthUtilgetToken()调用:Stringtoken=GoogleAuthUtil.getToken(appContext,accountName,scope);偶尔会因以下异常而失败:java.lang.RuntimeException:Can'tcreatehandlerinsidethreadthathasnotcalledLooper.prepare():ak:GooglePlayServicesNotAvailableatcom.google.android.gms.auth.GoogleAuthUtil.a(UnknownSource)atcom

Android fragment 生命周期: onResume called twice

在用户切换到另一个Activity然后返回到当前Activity后,我试图在我的fragment中保存和恢复滚动。这是发生了什么:如您所见,在第一个fragment的onResume进入暂停状态后,尽管用户未执行任何操作。问题是:我的代码有什么问题?这是我的代码:publicclassDisplayNoteActivityextendsActivity{privateContextmContext;//staticfinalintSUBACT_EDITNOTE=100;privatelongm_NoteID;privateStringm_sTextNoAbbrev;@Overridep

android - JNI 在应用程序中检测到错误 : JNI FindClass called with pending exception java. lang.NoSuchMethodError:没有非静态方法“Lchirpconnect/SDK

我正在使用ChirpAndroidSDK用于通过声音共享数据,它运行良好。但是当我启用我的proguard时,这个JNI异常是throw,我已经尝试了很多方法来克服这个问题,比如添加proguard规则让我们看看:-keepclassio.chirp.connect.Chirpconnect{*;}-keepclasschirpconnect.Chirpconnect{*;}-keepclasseswithmembernamesclass*{nativemethods;}但没有找到任何解决方案?我刚刚在libs文件夹中添加了一个chirpSDKAAR并添加了这个repositories

android - 媒体播放器错误 : start called in state 4

每次我开始播放时,我都会收到两个MediaPlayer错误。01-0312:04:35.738:D/PlayerActivity(10164):play01-0312:04:35.742:D/PlayerService(10164):setAudiotStreamType01-0312:04:35.742:D/PlayerService(10164):setDataSource01-0312:04:35.742:D/PlayerService(10164):prepareAsync01-0312:04:35.742:E/MediaPlayer(10164):startcalledins

java.lang.IllegalStateException : commit already called 错误

我试过下面的代码,try{finalActivityactivity=ctx;FragmentTransactionft=activity.getFragmentManager().beginTransaction();android.app.Fragmentprev=activity.getFragmentManager().findFragmentByTag("dialog");if(prev!=null){ft.remove(prev);}DialogServiceFailednewFragment=DialogServiceFailed.newInstance(pageName

安卓生命周期 : Is onResume() supposed to be called during startup?

我正在尝试来自Android应用程序开发傻瓜的示例,这是一个简单的应用程序,可以切换手机的铃声模式。代码如下。publicclassSilentModeToggleActivityextendsActivity{privateAudioManagermAudioManager;privatebooleanmPhoneIsSilent;@OverridepublicvoidonCreate(BundlesavedInstanceState){super.onCreate(savedInstanceState);setContentView(R.layout.main);mAudioMan

机器人 : media player - pause called in state 8

我在我的应用程序中使用媒体播放器播放一些短音。虽然我在我的应用程序中没有发现任何问题/崩溃,但我可以看到以下一些错误消息。请帮助我解决这个问题。03-2322:53:16.229:E/MediaPlayer(19185):pausecalledinstate803-2322:53:16.229:E/MediaPlayer(19185):error(-38,0)03-2322:53:16.449:E/MediaPlayer(19185):Error(-38,0)03-2322:53:16.449:D/OpenGLRenderer(19185):Flushingcaches(mode0)0